Errors

tunnel_rate_limited

503 – Streams opened too fast. The Tunnel opened new streams faster than its Plan allows.

Streams opened too fast. Answered with 503.

What it means

The Tunnel opened new streams faster than its Plan allows. This is a protective limit decided by the node holding the connection, and it applies on every Plan.

What to do

Retry with backoff; the brake clears within a second.

The body

{
  "type": "https://tigby.eu/problems/tunnel_rate_limited",
  "title": "Streams opened too fast",
  "status": 503,
  "detail": "…what was refused, naming this request's own values",
  "code": "tunnel_rate_limited",
  "doc_url": "https://docs.tigby.eu/errors/tunnel_rate_limited",
  "agent_hint": "…the next step, for software"
}

Branch on code. The detail names this request's own Handle, id or limit and is not part of the contract.